what was the maximum percent increase of spy from september 2001 to september 2002

SPY returned -26.9% between September 1, 2001 and September 30, 2002.

DATEOPENHIGHLOWCLOSEVOLUME
September 30 2002
$53.44
$53.96
$52.14
$53.30
73,095,305
September 27 2002
$55.40
$55.81
$53.93
$53.93
64,776,602
September 26 2002
$55.41
$56.03
$55.04
$55.87
53,670,801
September 25 2002
$54.34
$55.25
$53.47
$54.97
59,294,500
September 24 2002
$53.73
$54.52
$53.34
$53.64
69,554,508
September 23 2002
$54.52
$54.79
$53.89
$54.52
46,904,898
September 20 2002
$55.34
$55.53
$54.78
$54.97
46,325,699
September 19 2002
$55.79
$56.32
$54.95
$54.95
48,514,000
September 18 2002
$56.46
$57.42
$55.98
$56.41
54,829,500
September 17 2002
$58.97
$59.16
$56.93
$56.98
47,762,102
September 16 2002
$57.95
$58.32
$57.40
$58.32
28,167,600
September 13 2002
$57.55
$58.33
$57.26
$58.18
41,131,000
September 12 2002
$58.88
$58.94
$57.74
$58.04
43,631,500
September 11 2002
$60.00
$60.55
$59.11
$59.13
27,745,600
September 10 2002
$59.13
$59.55
$58.76
$59.50
41,426,699
September 09 2002
$57.81
$59.27
$57.61
$58.82
34,074,898
September 06 2002
$58.23
$58.76
$57.97
$58.39
38,622,898
September 05 2002
$57.41
$58.02
$56.77
$57.60
67,318,305
September 04 2002
$57.49
$58.55
$57.13
$58.09
51,099,500
September 03 2002
$58.87
$59.04
$57.19
$57.28
76,682,203
August 30 2002
$59.49
$60.59
$59.30
$59.55
30,370,900
August 29 2002
$59.22
$60.38
$58.92
$59.78
42,967,102
August 28 2002
$60.53
$60.66
$59.56
$59.76
38,973,801
August 27 2002
$62.09
$62.45
$60.67
$61.09
35,340,699
August 26 2002
$61.58
$62.05
$60.66
$61.81
33,831,102